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Full text of "The Cambridge Natural History"

BRAIN OF CHIMPANZEE

577

to be distinguished from the Gorilla by the characters mentioned
in the  account  of the latter animal.     Briefly summed up  they

Fia. 275.—A, Cerebrum of a female Chimpanzee two years old. x^. (Dorsal aspect,
showing asymmetrical development.) c.c', c.</', Anterior and posterior central con-
volutions ; /.*, interparietal fissure; f.l, the longitudinal fissure; /.j?o, parieto-
occipital fissure; jfr, frontal lobes; oc> occipital'lobes ; s.c, sulcus centralis. B,
Brain of a female Chimpanzee two years old, x ^. (Lateral aspect.) cb, Cere-
bellum ; c.c', c.c", anterior and posterior central convolutions ; jfr, frontal lobe; f.s,
fissura Sylvii ; is, island of Reil; md, medxilla oblongata ; oct occipital lobe ; pa,
parietal lobe; $.c, sulcus centralis ; tpt temporal lobe. (From Wiedersheim's
Structwre of Jkfan,)
are mainly as follows:—The ears are large, and generally stand
out from the head; but there are exceptions to be noted  pre-
VOL. x                                                                     2 P